# Important Data Sufficiency Questions for IBPS PRE, RBI GRADE B 2020, SBI pre and SBI Clerk Pre 2020

Directions: Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question:
Important for :
1
Five persons – Baba, Lal, Prem, Ramu and Devi are sitting in a row facing north direction.

Who among the following sits to the immediate left of Ramu?

Statement I : Baba sits at one of the extreme ends. Lal sits between Baba and Prem.

Statement II : Only one person sits between Prem and Devi. Devi does not sit to the right of Lal.
» Explain it
E
We have,

Five persons – Baba, Lal, Prem, Ramu and Devi are sitting in a row facing north direction. Who among the following sits on the immediate left of Ramu?

Statement I: Baba sits at one of the extreme ends. Lal sits between Baba and Prem.

Statement II: Only one person sits between Prem and Devi. Devi does not sit to the right of Lal.

Checking Statement I:

Statement I: Baba sits at one of the extreme ends. Lal sits between Baba and Prem.

Reference:

Baba sits at one of the extreme ends.
Lal sits between Baba and Prem.

Inference:

Here, we have two possible scenarios in which the above references can be used:

Case 1:

Case 2:

Here, we have no clear information about the position of Ramu so, we cannot say anything about the person who sits on the immediate left of Ramu.

Clearly, Statement I alone is not sufficient to answer the question.

Checking Statement II:

Statement II: Only one person sits between Prem and Devi. Devi does not sit to the right of Lal.

Reference:

Only one person sits between Prem and Devi.
Devi does not sit to the right of Lal.

Inference:

At this point there are several possible scenarios in which the above references can be used.

But here we have no clear information about the position of Ramu so, we cannot say anything about the person who sits on the immediate left of Ramu.

Clearly, Statement II alone is also not sufficient to answer the question.

Checking both Statements II and III together:

Statement I: Baba sits at one of the extreme ends. Lal sits between Baba and Prem.

Statement II: Only one person sits between Prem and Devi. Devi does not sit to the right of Lal.

Reference:

Baba sits at one of the extreme ends.
Lal sits between Baba and Prem.
Only one person sits between Prem and Devi.
Devi does not sit to the right of Lal.

Inference:

After using the above references in the same order, we have:

At this point we can fix the position of Ramu easily in the above and can surely say that Devi sits on the immediate left of Ramu.

Clearly, both statements I and II together are sufficient to answer the question.

Hence, the correct answer is option E.
2
Among six persons – Rishu, Sunil, Kiran, Umesh, Vimal and Tarun, each of different heights.

Who is the tallest?

Statement I : Tarun is taller than only one person. Kiran is taller than Rishu but shorter than Vimal.

Statement II : Rishu is taller than both Tarun and Sunil. Vimal is not the tallest.
» Explain it
E
We have,

Among six persons – Rishu, Sunil, Kiran, Umesh, Vimal and Tarun, each of different height, who is the tallest?

Statement I: Tarun is taller than only one person. Kiran is taller than Rishu but shorter than Vimal.

Statement II: Rishu is taller than both Tarun and Sunil. Vimal is not the tallest.

Checking Statement I:

Statement I: Tarun is taller than only one person. Kiran is taller than Rishu but shorter than Vimal.

Reference 1:

Tarun is taller than only one person.

Inference 1:

After using the above references, we have

Order of Height:

Tarun > ____

Reference 2:

Kiran is taller than Rishu but shorter than Vimal.

Inference 2:

After using the above references, we have

Order of Height:

Vimal > Kiran > Rishu

Here, we cannot merge the above inferences to form a single chart of the order of heights of these persons.

So, we cannot say who among these persons is the tallest.

Clearly, Statement I alone is not sufficient to answer the question.

Checking Statement II:

Statement II: Rishu is taller than both Tarun and Sunil. Vimal is not the tallest.

Reference:

Rishu is taller than both Tarun and Sunil.
Vimal is not the tallest.

Inference:

After using the above references, we have

Order of Height:

Rishu > Tarun, Sunil

And, Vimal is not the tallest.

Here, we don’t have any other information about the order of heights of the other persons.

So, we cannot say who among these persons is the tallest.

Clearly, Statement II alone is also not sufficient to answer the question.

Checking both Statements II and III together:

Statement I: Tarun is taller than only one person. Kiran is taller than Rishu but shorter than Vimal.
Statement II: Rishu is taller than both Tarun and Sunil. Vimal is not the tallest.

Reference 1:

Rishu is taller than both Tarun and Sunil.
Tarun is taller than only one person.

Inference 1:

After using the above references, we have:

Order of Height:

Rishu > Tarun > Sunil

Reference 2:

Kiran is taller than Rishu but shorter than Vimal.
Vimal is not the tallest.

Inference 2:

After using the information we get from above references with the inference 1, we get:

Order of Height:

____ > Vimal > Kiran > Rishu > Tarun > Sunil

At this point we can say that Umesh is the tallest.

Order of Height:

Umesh > Vimal > Kiran > Rishu > Tarun > Sunil

Clearly, both statements I and II together are sufficient to answer the question.

Hence, the correct answer is option E.
3
What is the code for ‘today’ in a coded language?

Statement I :  In the same language ‘nice day was today’ is coded as ‘ry zt dk bh’ and ‘what today was about’ is coded as ‘kj dk ry te’.

Statement II : In the same language ‘what you did today’ is coded as ‘dk ag te nd’ and ‘today was the best’ is coded as ‘lo ry dk ch’.
» Explain it
B
We have,

What is the code for ‘today’ in a coded language?

Statement I:  In the same language ‘nice day was today’ is coded as ‘ry zt dk bh’ and ‘what today was about’ is coded as ‘kj dk ry te’.

Statement II: In the same language ‘what you did today’ is coded as ‘dk ag te nd’ and ‘today was the best’ is coded as ‘lo ry dk ch’.

Checking Statement I:

Statement I:  In the same language ‘nice day was today’ is coded as ‘ry zt dk bh’ and ‘what today was about’ is coded as ‘kj dk ry te’.

Reference:

‘nice day was today’ is coded as ‘ry zt dk bh’
‘what today was about’ is coded as ‘kj dk ry te’

Inference:

Using the above references, we have:

nice day was today → ry zt dk bh .... (A)

what today was about → kj dk ry te .... (B)

From (A) and (B), we have:

today/was → dk/ry

Here, the code of ‘today’ is either ‘dk’ or ‘ry’ so we cannot find the answer.

Clearly, Statement I alone is not sufficient to answer the question.

Checking Statement II:

Statement II: In the same language ‘what you did today’ is coded as ‘dk ag te nd’ and ‘today was the best’ is coded as ‘lo ry dk ch’.

Reference:

‘what you did today’ is coded as ‘dk ag te nd’
‘today was the best’ is coded as ‘lo ry dk ch’

Inference:

Using the above references, we have:

what you did today → dk ag te nd .... (1)

today was the best → lo ry dk ch .... (2)

From (1) and (2), we have:

today → dk

Here, we can surely say that the code of ‘today’ is ‘dk’.

Clearly, Statement II alone is sufficient to answer the question.

Hence, the correct answer is option B.
4
Eight cars – Swift, WagonR, Polo, Brezza, Alto, Verna, Amaze and Duster were parked in a straight line facing north. Which car was parked at the extreme right end of the row?

Statement I : Duster was parked fourth to the right of Brezza, which was parked immediate to Polo. Swift was parked second to the left of Polo, which was parked third to the left of Verna.

Statement II : Swift was parked fourth to the left of Brezza and was parked at an extreme end. Polo was parked fourth to the right of Duster, which was not parked immediate to Brezza.
» Explain it
A
We have,

Eight cars – Swift, WagonR, Polo, Brezza, Alto, Verna, Amaze and Duster were parked in a straight line facing north. Which car was parked at the extreme right end of the row?

Statement I: Duster was parked fourth to the right of Brezza, which was parked immediate to Polo. Swift was parked second to the left of Polo, which was parked third to the left of Verna.

Statement II: Swift was parked fourth to the left of Brezza and was parked at an extreme end. Polo was parked fourth to the right of Duster, which was not parked immediate to Brezza.

Checking Statement I:

Statement I: Duster was parked fourth to the right of Brezza, which was parked immediate to Polo. Swift was parked second to the left of Polo, which was parked third to the left of Verna.

Reference 1:

Swift was parked second to the left of Polo, which was parked third to the left of Verna.

Inference 1:

After using the above references, we can draw a following linear arrangement:

Reference 2:

Duster was parked fourth to the right of Brezza, which was parked immediate to Polo.

Inference 2:

After using these references, above linear arrangement can be redrawn as:

Here, we can say that Duster was parked at the extreme right end of the row.

Clearly, Statement I alone is sufficient to answer the question.

Checking Statement II:

Statement II: Swift was parked fourth to the left of Brezza and was parked at an extreme end. Polo was parked fourth to the right of Duster, which was not parked immediate to Brezza.

Reference 1:

Swift was parked fourth to the left of Brezza and was parked at an extreme end.

Inference 1:

After using the above references, we can draw a following linear arrangement:

Reference 2:

Polo was parked fourth to the right of Duster, which was not parked immediate to Brezza.

Inference 2:

Here, we have two possible scenarios in which the above hints can be used accordingly.

Case 1:

Case 2:

Here, we have no sure information about the car which was parked at an extreme end.

Clearly, Statement II alone is also not sufficient to answer the question.

Here, the data in Statement I alone is sufficient to answer the question.

Hence, the correct answer is option A
5
Six persons – Vinay, Pranav, Bholu, Shivam, Anant and Bhavy were sitting around a circular table facing towards the centre. Who was sitting to the immediate right of Bhavy?

Statement I : Anant was sitting second to the right of Vinay, who was sitting to the immediate left of Bholu. Pranav was sitting second to the left of Bholu.

Statement II : Shivam was sitting to the immediate right of Anant, who was sitting second to the right of Vinay. Pranav was sitting second to the left of Bholu, who is to the immediate left of Anant.
» Explain it
B
We have,

Six persons – Vinay, Pranav, Bholu, Shivam, Anant and Bhavy were sitting around a circular table facing towards the centre then who was sitting on the immediate right of Bhavy?

Statement I: Anant was sitting second to the right of Vinay, who was sitting to the immediate left of Bholu. Pranav was sitting second to the left of Bholu.

Statement II: Shivam was sitting to the immediate right of Anant, who was sitting second to the right of Vinay. Pranav was sitting second to the left of Bholu, who is to the immediate left of Anant.

Checking Statement I:

Statement I: Anant was sitting second to the right of Vinay, who was sitting to the immediate left of Bholu. Pranav was sitting second to the left of Bholu.

Reference:

Anant was sitting second to the right of Vinay, who was sitting to the immediate left of Bholu.
Pranav was sitting second to the left of Bholu.

Inference:

After using the above references, we can draw a following circular arrangement:

Here, we no sure information about the position of Bhavy so we cannot find the person who sits on the immediate right of Bhavy.

Clearly, Statement I alone is not sufficient to answer the question.

Checking Statement II:

Statement II: Shivam was sitting to the immediate right of Anant, who was sitting second to the right of Vinay. Pranav was sitting second to the left of Bholu, who is to the immediate left of Anant.

Reference:

Shivam was sitting to the immediate right of Anant, who was sitting second to the right of Vinay.
Pranav was sitting second to the left of Bholu, who is to the immediate left of Anant.

Inference:

After using the above references, we can draw a following circular arrangement:

At this point we can easily fix the position of Bhavy in the above circular arrangement as:

Here, we can surely say that Pranav sits on the immediate right of Bhavy.

Clearly, Statement II alone is sufficient to answer the question.

Here, the data in Statement II alone is sufficient to answer the question.

Hence, the correct answer is option B.

#### Reasoning Data Sufficiency Questions for IBPS PO 2019 and SBI PO 2020 | Data Sufficiency Quiz No 10

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